742 + 2638 = 3380
$\snippet{name: op_column, sign: '+', x: 742, y: 2638, z: 3380}$

5401 − 627 = 4774
$\snippet{name: op_column, sign: '-', x: 5401, y: 627, z: 4774}$

427 * 30 = 12810
$\snippet{name: column_multiplication, x: 427, y: 30}$

25 * 125 = 3125
$\snippet{name: column_multiplication, x: 25, y: 125}$

1680 : 48 = 35
$\snippet{name: long_division, x: 1680, y: 48}$

8712 : 33 = 264
$\snippet{name: long_division, x: 8712, y: 33}$